Description

Yokogawa AAM11B Analog Input Module

Core Identity

Key Specifications

Input Signal Ranges

• Current: 0–20 mA, 4–20 mA, ±10 mA, ±20 mA, ±50 mA
• Voltage: 0–1 V, 0–5 V, 0–10 V, ±1 V, ±5 V, ±10 V

Performance

• Accuracy: ±0.1% of reading
• Response Time: ≤ 10 ms
• Input Resistance: 1 MΩ (power‑on), 100 kΩ (power‑off)
• Transmitter Power: 25.0–25.5 V DC (current limit: ≤ 60 mA)

Physical & Environmental

• Dimensions: ~282 × 210 × 20 mm
• Weight: ~0.6 kg
• Operating Temp: −20°C to +70°C
• Humidity: 5–95% RH (non‑condensing)
• Power: From DCS backplane (24 V DC)

Function & Application

• Signal Acquisition: Reads analog signals from field transmitters (pressure, flow, level, temperature).
• Isolation: Eliminates ground loops and noise.
• BRAIN Support: Communicates with BRAIN‑enabled field devices for configuration and diagnostics.
• Typical Use: Process monitoring and control in oil & gas, chemical, power, and manufacturing.

Compatibility

• Racks: AAM11, AAM21, AAM32, AAM34 (terminal‑type I/O racks)
• Systems: CENTUM CS, CS1000, CS3000
• Field Devices: BRAIN protocol transmitters

Related Modules

• AAM10: Basic current/voltage input (no BRAIN)
• AAM11: Standard current/voltage input (no BRAIN)
• AAM21: mV/thermocouple/RTD input
• AAM50: Current output module